I2C-AD4DA

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I2C 4x A/D 1x D/A I/O expander based on a PCF8591T

I2C-AD4DA-V2-Graphic
I2C-AD4DA-V2-Graphic
I2C-AD4DA-LightUI-V2-Graphic
I2C-AD4DA-LightUI-V2-Graphic
I2C-AD4DA-LightUI-V3-Graphic
I2C-AD4DA-LightUI-V3-Graphic

 

Download PCF8591.pdf - Documentation

 

I2C-AD4DA Version 3.0

Not built

  • Merged with LightUI sliders to make a self contained track mountable lighting controller

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download I2C-AD4DA.gerbers.zip - Gerber Fabrication files
Download I2C-AD4DA.parts - Parts List (spreadsheet data)

 

I2C-AD4DA.bom

Parts Value Package Quantity Library Type/Feeder
C2, C3, C4, CA, CB, CC, CD 0.1uF 0603-CAP 7x SPCoast 19
CON1, CON2 2mm 4P-2.0 2x SPCoast PTH
U$2, U$3, U$4, U$7 10K SLIDER-45MM 4x SPCoast PTH
L1 47 uH L2012C 1x SPCoast NONE
C1 220uF 0810-CAP 1x SPCoast NONE
U$1 AGND+DGND AGND+DGND 1x SPCoast PTH
BOARD1 BOARD BOARD-DINRAIL-3.17INX10CM 1x SPCoast PTH
I2C0, I2C1 I2C I2C-L 2x SPCoast PTH
LOGO1 OSHW OSHW-LOGO-L 1x SPCoast PTH
IC1 PCF8591T SO16W 1x SPCoast NONE
A0, A1, A2 SJ SJ_3_PASTE1&2 3x SPCoast NONE

I2C-AD4DA Version 2.0

First built: 2018-07

  • Convert to SPCoast preferred board style (3.17” Tyco mounting track plus carrier)

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download I2C-AD4DA - CHMT Component and feeder definitions
Download I2C-AD4DA.gerbers.zip - Gerber Fabrication files
Download I2C-AD4DA.parts - Parts List (spreadsheet data)

 

I2C-AD4DA.bom

Parts Value Package Quantity Library Type/Feeder
C2, CA, CB, CC, CD 0.1uF 0805-CAP 5x SPCoast NONE
L1 47 uH L2012C 1x SPCoast NONE
C1 150uF UD-10X10_NICHICON 1x SPCoast NONE
BOARD1   BOARD-DINRAIL-3.17INX5CM 1x SPCoast NONE
A0, A1, A2   J3-254 3x SPCoast PTH
X1   RJ45-NO-SHIELD 1x SPCoast PTH
U$1 AGND+DGND AGND+DGND 1x SPCoast PTH
CON1, CON2 CONNECTOR-GROVE-4P-2.0-3470130P1 4P-2.0 2x SPCoast PTH
I2C0, I2C1 CONNECTOR-I2CLEFT I2C-L 2x SPCoast PTH
LOGO1 DOC-OSHW-LOGO-L OSHW-LOGO-L 1x SPCoast PTH
IC1 PCF8591T SO16W 1x SPCoast NONE

I2C-AD4DA Version 1.1

First built: 2014-12

  • Added decoupling caps to A/D inputs, filter caps to power supply, inductor between VDD and REF

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

I2C-AD4DA Version 1.0

First built: 2014-10

  • Simple 5x5cm board, initial experiments

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

This project’s technical documentation is licensed under the CERN Open Hardware Licence v1.2